u+(-7)=2

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Solution for u+(-7)=2 equation: 


Simplifying
u + (-7) = 2
u + -7 = 2

Reorder the terms:
-7 + u = 2

Solving
-7 + u = 2

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + u = 2 + 7

Combine like terms: -7 + 7 = 0
0 + u = 2 + 7
u = 2 + 7

Combine like terms: 2 + 7 = 9
u = 9

Simplifying
u = 9

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